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Demos: Create demo for VirGL gpu device

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This is a simple demo for VirGL, that does the bare minimum required to
create and render a spinning cube (with one color per face).
This commit is contained in:
Sahan Fernando 2022-02-18 13:27:19 +11:00 • committed by Ali Mohammad Pur
parent 2939f65753
commit fd5eaf6494
8 changed files with 957 additions and 0 deletions
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41
Userland/Demos/VirGLDemo/CommandBufferBuilder.h Normal file
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/*
* Copyright (c) 2022, Sahan Fernando <sahan.h.fernando@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
#include <sys/ioctl_numbers.h>
#include "VirGLProtocol.h"
class CommandBufferBuilder {
public:
void append_set_tweaks(u32 id, u32 value);
void append_transfer3d(ResourceID resource, size_t width, size_t height = 1, size_t depth = 1, size_t direction = VIRGL_DATA_DIR_GUEST_TO_HOST);
void append_end_transfers_3d();
void append_draw_vbo(u32 count);
void append_gl_clear(float r, float g, float b);
void append_set_vertex_buffers(u32 stride, u32 offset, ResourceID resource);
void append_create_blend(ObjectHandle handle);
void append_bind_blend(ObjectHandle handle);
void append_create_surface(ResourceID drawtarget_resource, ObjectHandle drawtarget_handle, Protocol::TextureFormat format);
void append_set_framebuffer_state(ObjectHandle drawtarget, ObjectHandle depthbuffer = 0);
void append_create_vertex_elements(ObjectHandle handle);
void append_bind_vertex_elements(ObjectHandle handle);
void append_gl_viewport();
void append_set_framebuffer_state_no_attach();
void append_set_constant_buffer(Vector<float> const& constant_buffer);
void append_create_shader(ObjectHandle handle, Gallium::ShaderType shader_type, const char* shader_data);
void append_bind_shader(ObjectHandle handle, Gallium::ShaderType shader_type);
void append_create_rasterizer(ObjectHandle handle);
void append_bind_rasterizer(ObjectHandle handle);
void append_create_dsa(ObjectHandle handle);
void append_bind_dsa(ObjectHandle handle);
Vector<u32> const& build() { return m_buffer; }
private:
Vector<u32> m_buffer;
};